The z-axis of the universal version i3 structure has been changed from pom wheels to linear slider.

low cost

Abandoned all metal parts.

Add clearance nuts.

After the modification, the overall x-axis can be reduced by about 100g.

Support 12h linear slider

Supporting 9-h linear slider

installation video  1,https://www.bilibili.com/video/BV12J4m1Y7yy/?spm_id_from=333.999.0.0&vd_source=2419c7775079aa709158dc96cf8d443a

2.

It will be updated

3. 

It will be updated

支持几乎全部i3结构打印机，而且无论尺寸。